Behavioral task
behavioral1
Sample
5df3470db00597e3da516459648dfa6a2c1564a57c1d51817d952beeeb860a2c.exe
Resource
win7-20240903-en
General
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Target
5df3470db00597e3da516459648dfa6a2c1564a57c1d51817d952beeeb860a2c.exe
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Size
3.1MB
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MD5
1c1a86dad78326429577ab0b7b7b5858
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SHA1
cf9aeb9a02d368918d89fc69d55b38829ab83039
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SHA256
5df3470db00597e3da516459648dfa6a2c1564a57c1d51817d952beeeb860a2c
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SHA512
db9658604a62090fd69cbb7504bf320c947473dfdb10be9e7e866af0a47db228755c1ff8e740eacbe20481df71bc5527347c4185e831515b30ab91b07e46b204
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SSDEEP
49152:SvnI22SsaNYfdPBldt698dBcjH9pg1JbLoGdwnTHHB72eh2NT:SvI22SsaNYfdPBldt6+dBcjH9p4
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.101:4782
20f2b2b5-8392-4fbe-9585-0778c516b863
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encryption_key
3A9499E06EC8E749CF7AE8F7D466BD97D9B2380C
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 5df3470db00597e3da516459648dfa6a2c1564a57c1d51817d952beeeb860a2c.exe
Files
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5df3470db00597e3da516459648dfa6a2c1564a57c1d51817d952beeeb860a2c.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ